The H1 Forward Proton Spectrometer at HERA
P. van Esch, M. Kapichine, A. Morozov, V. Spaskov, W. Bartel, B. List, H. Mahlke-Krueger, V. Schroeder, T. Wilksen, F. W. Buesser, K. Geske, O. Karschnik, F. Niebergall, H. Riege, J. Schuett, R. van Staa, C. Wittek, D. Dau, D. Newton, S. K. Kotelnikov, A. Lebedev, S. Rusakov, A. Astvatsatourov, J. Baehr, U. Harder, K. Hiller, B. Hoffmann, H. Luedecke, R. Nahnhauer
Abstract
The forward proton spectrometer is part of the H1 detector at the HERA collider. Protons with energies above 500 GeV and polar angles below 1 mrad can be detected by this spectrometer. The main detector components are scintillating fiber detectors read out by position-sensitive photo-multipliers. These detectors are housed in so-called Roman Pots which allow them to be moved close to the circulating proton beam. Four Roman Pot stations are located at distances between 60 m and 90 m from the interaction point.
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